He infused the radioactive tagging substance, a magnesium isotope, into the monkey and calibrated the scanner.

Michael Crichton -- The Andromeda Strain

Sculpted by the intense solar rays, glowing a radioactive shadow, the towers reared like giant shark teeth out of the Surface of turquoise, -who’d been over rounding rubble as far as the eye could see.

Jon Krakauer -- Into Thin Air

It’s so retroactive that it’s radioactive!

Sherman Alexie -- The Absolutlely True Diary of a Part-Time Indian

He dreamed that whitecoats took blood, injected him with various drugs to see how he reacted, made him run and jump and then swallow radioactive dye so they could study his circulation.

James Patterson -- The Angel Experiment

The only radioactivity was in the inside loop.

Tom Clancy -- The Hunt for Red October

Cancerous solvents from storage tanks, arsenic from smokestacks, radioactive water from power plants.

Don DeLillo -- White Noise

More important than anything he had listed was water, free of dangerous bacilli, unpolluted by poisons human, chemical, or radioactive.

Pat Frank -- Alas, Babylon

It’s a heavy gas, it says, radioactive, dangerous to your lungs.

Amy Tan -- The Bonesetter’s Daughter

At night the ruined city gave of a radioactive glow which could be seen for miles.

Ray Bradbury -- There Will Come Soft Rains

Without our intervention, the Earth today would be a radioactive wilderness.

Arthur C. Clarke -- Childhood’s End

Um, well, bitten by a radioactive spider?

Stephenie Meyer -- Twilight

True, there were still unexplained phenomena such as radioactivity, transmission of light through the "ether," and the peculiar relationship of magnetic to electric forces; but these, if past trends were any indication, had eventually to fall.

Robert M. Pirsig -- Zen and the Art of Motorcycle Maintenance

He attempted to report this to Pearl Harbor in a signal but got no reply; he carried on, the radioactivity increasing as he neared the Philippines.

Nevil Shute -- On the Beach

If you don’t want me to know why you’re acting like Annie Kate’s radioactive, then you don’t have to tell me.

Pat Conroy -- The Lords of Discipline

Yet so radioactive were her nerves, so adventurous her trust in rather vaguely conceived sweetness and light, that she was more energetic than any of the hulking young women who, with calves bulging in heavy-ribbed woolen stockings beneath decorous blue serge bloomers, thuddingly galloped across the floor of the "gym" in practise for the Blodgett Ladies’ Basket-Ball Team.

Sinclair Lewis -- Main Street

If she seemed distant before, she now seemed to view him as radioactive.

Nicholas Sparks -- True Believer

Millions more would die later from the radioactive fallout.

Bill O’Reilly and Martin Dugard -- Killing Kennedy

We were practically radioactive.

Kami Garcia & Margaret Stohl -- Beautiful Creatures

It’s so radioactive that it will get red hot all by itself.

Andy Weir -- The Martian

The doctors said she’d died from leukemia, but Mom thought it was radioactive poisoning.

Jeannette Walls -- The Glass Castle

Pressurized air within the complex prevents contamination by radioactive fallout and biological weapons.